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Tariq Khan arrived home after a nearly 16-hour meeting. He was grappling with whether to take the global sales and marketing team manager position that had been offered to him, and had spent the entire day with the senior leadership of his potential new team. He wanted to understand the causes of the group's multiple problems and get a handle on how to help them thrive. But so far, the meeting had raised more questions than answers.

Over the last two decades, organizations seeking global expansion have been mandating an English lingua franca, or common language to facilitate global collaboration regardless of the country location of their headquarters. This article explains why stipulating a lingua franca for employees has replaced the exclusive use of language brokers. In the era of a business lingua franca, nevertheless, gives rise to the phenomenon of native and nonnative speakers. While a lingua franca can unify a nationally and linguistically diverse workforce, nascent research reveals challenging dynamics among speakers of various levels of lingua franca fluency. In-depth studies at the micro-, macro-, and meso-levels can shed important light on this nascent field of research.